Common Peony vs common sea hare

Paeonia officinalis compared with Aplysia punctata

Taxonomic Classification

Rank	Common Peony	common sea hare
Kingdom	Plantae (植物)	Animalia (動物)
Phylum	Magnoliophyta (被子植物門)	Mollusca (軟体動物)
Class	Magnoliopsida (モクレン綱)	Gastropoda (腹足綱)
Order	Saxifragales (ユキノシタ目)	Aplysiida (Aplysiida)
Family	Paeoniaceae	Aplysiidae
Genus	Paeonia	Aplysia
Species	Paeonia officinalis	Aplysia punctata

Conservation Status

Common Peony

LC — Least Concern

common sea hare

LC — Least Concern

Physical Characteristics

Attribute	Common Peony	common sea hare
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common Peony

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Found across Europe (9 countries) and North America (Canada, United States).

common sea hare

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Denmark, Norway, Portugal, and Sweden.

Common Peony

<em>Paeonia officinalis</em>, the common peony, is a herbaceous perennial flowering plant in the family Paeoniaceae, widely cultivated for its large, showy flowers ranging from deep red to pink and white. In the wild, it typically grows in open woodlands, scrublands, and rocky hillsides across southern and central Europe, with native or naturalised populations documented in Austria, Belgium, the Czech Republic, France, Canada, and numerous other European and North American countries. The species prefers well-drained soils in partially shaded to open positions and produces large, deeply divided leaves alongside its ornamental blooms, which appear in late spring. <em>Paeonia officinalis</em> has a long history of medicinal and ornamental use spanning millennia, and numerous cultivated varieties have been developed. It is assessed as Least Concern on the IUCN Red List, reflecting stable populations in many parts of its native range, though wild populations can be locally threatened by over-collection, agricultural expansion, and habitat conversion. Biological traits such as average lifespan of individual plants, precise dimensions, and detailed dietary or metabolic data remain poorly documented in the scientific literature. The species plays a role in supporting pollinators, particularly beetles and bees that visit its flowers.

common sea hare

<em>Aplysia punctata</em>, the common sea hare, is a large opisthobranch sea slug in the family Aplysiidae, order Aplysiida, found in the northeastern Atlantic Ocean and Mediterranean Sea, with confirmed records from Denmark, Norway, Portugal, and Sweden. This species typically inhabits shallow subtidal and intertidal zones with abundant macroalgae, feeding primarily on red and green algae — a diet that influences the color of the defensive purple ink it secretes when threatened. <em>Aplysia punctata</em> is a simultaneous hermaphrodite, capable of acting as both male and female during mating, and often forms mating chains involving multiple individuals. It can reach considerable size among European opisthobranch species, though body dimensions vary considerably with age and feeding conditions. The species is classified as Least Concern by the IUCN, reflecting stable populations across its coastal range. Biological traits for this species remain poorly documented in the scientific literature, including precise average data on lifespan, body length, weight, and detailed seasonal dietary patterns, though its general herbivorous feeding on macroalgae is well established.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway